How to solve "Unexpected error writing metadata to file 'ModelStore.dll' -- 'No logical space left to create more user strings'" error in .Net?

The error message "Unexpected error writing metadata to file 'ModelStore.dll' -- 'No logical space left to create more user strings'" typically occurs when the .NET metadata system runs out of logical space to create new user strings.

User strings are a part of the metadata that .NET uses to store text information, such as class and method names, and are limited to a maximum size of 64 KB per module.

To resolve this error, you can try the following steps:

Reduce the size of user strings: If the error is caused by user strings that are too large, you can try to reduce their size by shortening names, removing unnecessary comments, or refactoring the code.
Split the module into smaller parts: If the module containing the user strings is too large, you can try to split it into smaller parts by dividing the classes and methods into multiple smaller modules.
Increase the logical space for user strings: If none of the above steps resolve the error, you can try to increase the logical space for user strings by adding the following configuration to your .NET project file:

xml
<PropertyGroup>
  <UserStringLimitOverride>65536</UserStringLimitOverride>
</PropertyGroup>

This configuration will override the default limit of 64 KB and set it to 65,536 bytes (64 KB + 512 bytes), which should provide enough logical space for most projects.

If none of these steps resolve the error, you may need to investigate further and look for any other issues in the project that may be causing the problem.

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